কষ্টের এস এম এস - দুঃখের মেসেজ, Bangla Sad SMS is a free Android app developed by RCR Techno Group in the Lifestyle category. The app features a collection of real-life sad messages and SMS in Bengali. The app aims to provide comfort to those who are suffering from various reasons in real life. The app allows users to send sad SMS to their loved ones who have caused them grief. With the app's help, users can let their loved ones know how much they are hurting. The app promises a 100% guarantee that the SMS will make the loved one weaker towards the sender. The app has been updated with new sad SMS for, which users will find very useful and helpful. Overall, the app is a great tool for those who want to express their sorrows and seek comfort through SMS messages.